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#!/sbin/runscript
# Copyright 1999-2010 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
description="Mount tmpfs on /dev"
[ -e /etc/conf.d/udev ] && . /etc/conf.d/udev
# get_KV and KV_to_int
. /lib/udev/shell-compat-KV.sh
# FIXME
# Instead of this script testing kernel version, udev itself should
# Maybe something like udevd --test || exit $?
check_kernel()
{
if [ $(get_KV) -lt $(KV_to_int '%KV_MIN%') ]; then
eerror "Your kernel is too old to work with this version of udev."
eerror "Current udev only supports Linux kernel %KV_MIN% and newer."
return 1
fi
yesno "${unreliable_kernel_warning:-yes}" || return 0
if [ $(get_KV) -lt $(KV_to_int '%KV_MIN_RELIABLE%') ]; then
ewarn "You need at least Linux kernel %KV_MIN_RELIABLE% for reliable operation of udev."
fi
return 0
}
mount_dev_directory()
{
if mountinfo -q /dev; then
einfo "/dev is already mounted"
return 0
fi
# No options are processed here as they should all be in /etc/fstab
ebegin "Mounting /dev"
if ! fstabinfo --mount /dev; then
# we mount devtmpfs if supported
local fs=tmpfs
grep -qs devtmpfs /proc/filesystems && fs=devtmpfs
# Some devices require exec, Bug #92921
mount -n -t "$fs" -o "exec,nosuid,mode=0755,size=10M" udev /dev
fi
eend $?
}
seed_dev()
{
# Seed /dev with some things that we know we need
# creating /dev/console, /dev/tty and /dev/tty1 to be able to write
# to $CONSOLE with/without bootsplash before udevd creates it
[ -c /dev/console ] || mknod -m 600 /dev/console c 5 1
[ -c /dev/tty1 ] || mknod -m 620 /dev/tty1 c 4 1
[ -c /dev/tty ] || mknod -m 666 /dev/tty c 5 0
# udevd will dup its stdin/stdout/stderr to /dev/null
# and we do not want a file which gets buffered in ram
[ -c /dev/null ] || mknod -m 666 /dev/null c 1 3
${HAVE_SELINUX} && restorecon /dev/null
# so udev can add its start-message to dmesg
[ -c /dev/kmsg ] || mknod -m 660 /dev/kmsg c 1 11
# Create problematic directories
mkdir -p /dev/pts /dev/shm
${HAVE_SELINUX} && restorecon -R /dev >/dev/null
return 0
}
start()
{
# do not run this on too old baselayout - udev-addon is already loaded!
if [ ! -f /etc/init.d/sysfs ]; then
eerror "The $SVCNAME init-script is written for baselayout-2!"
eerror "Please do not use it with baselayout-1!".
return 1
fi
_start
}
_start()
{
check_kernel || return 1
mount_dev_directory || return 1
# Selinux lovin; /selinux should be mounted by selinux-patched init
if [ -x /sbin/restorecon -a -c /selinux/null ]; then
HAVE_SELINUX=true
restorecon /dev > /selinux/null
else
HAVE_SELINUX=false
fi
# make sure it exists
mkdir -p /dev/.udev /dev/.udev/rules.d
seed_dev
return 0
}
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